=========================================================================Ubuntu Security Notice USN-2438-1
December 10, 2014

nvidia-graphics-drivers-304, nvidia-graphics-drivers-304-updates,
nvidia-graphics-drivers-331, nvidia-graphics-drivers-331-updates vulnerabilities
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

Several security issues were fixed in the NVIDIA graphics drivers.

Software Description:
- nvidia-graphics-drivers-304: NVIDIA binary Xorg driver
- nvidia-graphics-drivers-304-updates: NVIDIA binary Xorg driver
- nvidia-graphics-drivers-331: NVIDIA binary Xorg driver
- nvidia-graphics-drivers-331-updates: NVIDIA binary Xorg driver

Details:

It was discovered that the NVIDIA graphics drivers incorrectly handled GLX
indirect rendering support. An attacker able to connect to an X server,
either locally or remotely, could use these issues to cause the X server to
crash or execute arbitrary code resulting in possible privilege escalation.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.10:
  nvidia-304                      304.125-0ubuntu0.1
  nvidia-304-updates              304.125-0ubuntu0.1
  nvidia-331                      331.113-0ubuntu0.1
  nvidia-331-updates              331.113-0ubuntu0.1

Ubuntu 14.04 LTS:
  nvidia-304                      304.125-0ubuntu0.0.1
  nvidia-304-updates              304.125-0ubuntu0.0.1
  nvidia-331                      331.113-0ubuntu0.0.4
  nvidia-331-updates              331.113-0ubuntu0.0.4

Ubuntu 12.04 LTS:
  nvidia-304                      304.125-0ubuntu0.0.0.1
  nvidia-304-updates              304.125-0ubuntu0.0.0.1
  nvidia-331                      331.113-0ubuntu0.0.0.3
  nvidia-331-updates              331.113-0ubuntu0.0.0.3

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-2438-1
  CVE-2014-8091, CVE-2014-8098, CVE-2014-8298

Package Information:

https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-304/304.125-0ubuntu0.1

https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-304-updates/304.125-0ubuntu0.1

https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-331/331.113-0ubuntu0.1

https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-331-updates/331.113-0ubuntu0.1

https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-304/304.125-0ubuntu0.0.1

https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-304-updates/304.125-0ubuntu0.0.1

https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-331/331.113-0ubuntu0.0.4

https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-331-updates/331.113-0ubuntu0.0.4

https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-304/304.125-0ubuntu0.0.0.1

https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-304-updates/304.125-0ubuntu0.0.0.1

https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-331/331.113-0ubuntu0.0.0.3

https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-331-updates/331.113-0ubuntu0.0.0.3